Java Handy Thingys

1
Java Handy Thingys

• Gary Greer

2
Random Numbers

• import java.util.Random
• Random rand // define a new variable
• rand new Random() // create variable
• Uses time in milliseconds as the seed.
• x rand.nextInt(8)
• Returns random integer 0...8

3
Colors

• Color col
• there are different ways to make a color
• col new Color(Color.red)
• col new Color(21, 220, 255)
• col new Color (221)
• see the Java APIs http//java.sun.com/j2se/1.5.0/
  docs/api/index.html